CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 301,974	$ 288,659
Accounts receivable, net of allowance of $553 and $598, respectively	79,401	44,068
Inventories	101,137	87,480
Prepaid expenses and other current assets	9,289	4,935
Total current assets	491,801	425,142
Property and equipment, net	133,006	142,825
Operating lease right-of-use assets, net	22,263	21,994
Goodwill	7,824	7,824
Deferred tax asset, net	307,999	216,603
Other noncurrent assets	1,037	1,206
Total assets	963,930	815,594
Current liabilities
Accounts payable	43,405	20,163
Accrued expenses and other current liabilities	24,317	11,392
Current portion of liability related to tax receivable agreement	10,976	9,290
Finance lease obligations, current portion	4,836	3,823
Operating lease liabilities, current portion	4,417	4,247
Total current liabilities	87,951	48,915
Deferred tax liability, net	699	786
Liability related to tax receivable agreement, net of current portion	272,017	195,061
Finance lease obligations, net of current portion	5,596	2,240
Operating lease liabilities, net of current portion	17,967	17,822
Total liabilities	384,230	264,824
Commitments and contingencies
Stockholders’ equity
Preferred stock, $0.01 par value, 10,000 shares authorized, none issued and outstanding	0	0
Additional paid-in capital	287,053	202,077
Retained earnings	169,394	150,086
Accumulated other comprehensive income	(165)	330
Total stockholders’ equity attributable to Cactus Inc.	456,871	352,970
Non-controlling interest	122,829	197,800
Total stockholders’ equity	579,700	550,770
Total liabilities and equity	963,930	815,594
Class A Common Stock
Stockholders’ equity
Common stock, $0.01 par value	589	477
Class B Common Stock
Stockholders’ equity
Common stock, $0.01 par value	$ 0	$ 0